., ngos, ie, education, et cetera, bring them together with business, bring them together with government, both at the national or and at the sub national level and really collaborate intensely to come to a solution. >> rose: we continue this evening with matt damon and gary white, they are cofounders of water.org. >> and i heard these statistics that were jaw dropping about a child dying every 20 seconds because of lack of access to clean water and sanitation, that is, that to me is just staggering, because -- because to relate to that as an american, i mean, we don't know people who are thirsty, it just doesn't happen, right? you know, with away don't know kid who die from diarrhea. >> rose: water is ubiquitous. >> yes, of course, or cholera for that matter, just clean water. so, you know, so that was one side of it, just the mindless death and bono talks about stupid death, you know, because it is preventable. >> we have known how to make water safe for more than 100 years, right? imagine we discovered the cure for aids today, and 100 years from now 3.5 million people are still dying b